(ii) Which two substances could the student have put in the flask to produce
hydrogen safely?
Tick (✓) one box.
Gold and dilute hydrochloric acid
Potassium and dilute hydrochloric acid
Zinc and dilute hydrochloric acid

Who examines and coordinates the cleanup of polluted sites?

C=59(f−32)the equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true? a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of 59 degree celsius.a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit.a temperature increase of 59 degree fahrenheit is equivalent to a temperature increase of 1 degree celsius.a) i onlyb) ii onlyc) iii onlyd) i and ii only

What are the two basic types of satellites